<div class="user-avator-dropdown">
  <Dropdown @on-click="handleClick">
    <a href="javascript:void(0)">
      {{ userName }}
      <Icon :size="12" type="arrow-down-b"></Icon>
    </a>
    <DropdownMenu slot="list">
      <DropdownItem name="logout">退出登录</DropdownItem>
    </DropdownMenu>
  </Dropdown>
</div>
